VERTEBRAL COLUMN 



69 



articulate at the junction of two vertebne, the articular facets on the 

 bodies are divided into halves, a. half being on each of the contiguous 



FIG. 43. 



VERTEBRAL COLUMN. 



Lumbar 



Sacral. 



THE AXIAL SKELETON. (Greatly reduced.) 



vertebra?. In most cases these half-facets are situated mainly upon the 

 epiphyses of the body ; therefore, if an epiphysis be lost, the greater 

 part of the facet will be lost also. It should be remembered that the 



FIG. 44. 



PLAN OF A THORACIC VERTEBRA. END VIEW. 



side of the body of the first thoracic vertebra has one entire facet at 

 the cephalic end for the first rib and a half-facet on the caudal end for 



